Home / 2,175.31-3,001.94-1,180.59

Finding the Fourth Proportional to 2,175.31, 3,001.94 and 1,180.59

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Solution

The fourth proportional to 2,175.31, 3,001.94 and 1,180.59 is: 1,629.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,175.31 : 3,001.94 = 1,180.59 : x
  2. Step 2: Convert to fraction form
    2,175.31/3,001.94 = 1,180.59/x
  3. Step 3: Cross multiply
    2,175.31x = 3,001.94 × 1,180.59
  4. Step 4: Simplify right side
    2,175.31x = 3,544,070.80
  5. Step 5: Solve for x
    x = 3,544,070.80/2,175.31
  6. Step 6: Final answer
    x = 1,629.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.